Polaris rolled out its ground robot — the MRZR X, currently in the running for the U.S. Army’s competition for an unmanned equipment transport vehicle — at the Association of Unmanned Vehicle Systems International conference this week.

The MRZR X is one of four unmanned vehicles that may be selected and produced under the Squad Multipurpose Equipment Transport program. The other teams selected to advance farther into the competition are General Dynamics Land Systems, HDT Expeditionary Systems and Howe & Howe.

The Army selected the group from an array of companies which were chosen to participate in a demonstration event from Sept. 11 through Oct. 14 at Fort Benning, Georgia. The demonstration was meant to educate the Army on robotic logistics capabilities and for soldiers to provide operational feedback.